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-rw-r--r--prolog/problems/lists/rev_2/en.py8
1 files changed, 4 insertions, 4 deletions
diff --git a/prolog/problems/lists/rev_2/en.py b/prolog/problems/lists/rev_2/en.py
index 7941f9e..3ae126e 100644
--- a/prolog/problems/lists/rev_2/en.py
+++ b/prolog/problems/lists/rev_2/en.py
@@ -6,10 +6,10 @@ slug = 'reverse a list'
description = '''\
<p><code>rev(L1, L2)</code>: the list <code>L2</code> is obtained from <code>L1</code> by reversing the order of the elements.</p>
<pre>
- ?- rev([1,2,3], X).
- X = [3,2,1].
- ?- rev([], X).
- X = [].
+?- rev([1,2,3], X).
+ X = [3,2,1].
+?- rev([], X).
+ X = [].
</pre>'''
hint = {}